package com.example.demo.utils;

import cn.dev33.satoken.exception.DisableLoginException;
import cn.dev33.satoken.exception.NotLoginException;
import cn.dev33.satoken.exception.NotPermissionException;
import cn.dev33.satoken.exception.NotRoleException;
import com.example.demo.Res.Res;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@ControllerAdvice
public class GlobalException {
    @ResponseBody
    @ExceptionHandler
    public Res handlerException(Exception e, HttpServletRequest request, HttpServletResponse response)
            throws Exception {


        // 不同异常返回不同状态码
        String aj = null;
        if (e instanceof NotLoginException) {	// 如果是未登录异常
            NotLoginException ee = (NotLoginException) e;
            aj = ee.getMessage();
        }
        else if(e instanceof NotRoleException) {		// 如果是角色异常
            NotRoleException ee = (NotRoleException) e;
            aj = "无此角色：" + ee.getRole();
        }
        else if(e instanceof NotPermissionException) {	// 如果是权限异常
            NotPermissionException ee = (NotPermissionException) e;
            aj = "无此权限：" + ee.getCode();
        }
        else if(e instanceof DisableLoginException) {	// 如果是被封禁异常
            DisableLoginException ee = (DisableLoginException) e;
            aj = "账号被封禁：" + ee.getDisableTime() + "秒后解封";
        }
        else {	// 普通异常, 输出：500 + 异常信息
            aj = e.getMessage();
        }

        // 返回给前端
        return Res.bigOn(aj, null);
    }
}
